Groger K, Pankov A. Meyers type regularity for bounded and almost periodic solutions to nonlinear second order parabolic equations with mixed boundary conditions. Мат. физ. анал. геом. [інтернет]. 10, Травень 1996 [цит. за 20, Травень 2024];3(1-2):46-64. доступний у: http://mag.ilt.kharkiv.ua/index.php/mag/article/view/m03-0046e